1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2001 Dirk Mueller (mueller (at) kde.org) 5 * Copyright (C) 2004, 2005, 2006, 2007, 2012 Apple Inc. All rights reserved. 6 * Copyright (C) 2006 Alexey Proskuryakov (ap (at) webkit.org) 7 * (C) 2007, 2008 Nikolas Zimmermann <zimmermann (at) kde.org> 8 * Copyright (C) 2011 Andreas Kling (kling (at) webkit.org) 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 27 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 #ifndef EventListenerMap_h 34 #define EventListenerMap_h 35 36 #include "core/events/RegisteredEventListener.h" 37 #include "wtf/Forward.h" 38 #include "wtf/PassOwnPtr.h" 39 #include "wtf/text/AtomicStringHash.h" 40 41 namespace WebCore { 42 43 class EventTarget; 44 45 typedef Vector<RegisteredEventListener, 1> EventListenerVector; 46 47 class EventListenerMap { 48 public: 49 EventListenerMap(); 50 51 bool isEmpty() const { return m_entries.isEmpty(); } 52 bool contains(const AtomicString& eventType) const; 53 bool containsCapturing(const AtomicString& eventType) const; 54 55 void clear(); 56 bool add(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture); 57 bool remove(const AtomicString& eventType, EventListener*, bool useCapture, size_t& indexOfRemovedListener); 58 EventListenerVector* find(const AtomicString& eventType); 59 Vector<AtomicString> eventTypes() const; 60 61 void removeFirstEventListenerCreatedFromMarkup(const AtomicString& eventType); 62 void copyEventListenersNotCreatedFromMarkupToTarget(EventTarget*); 63 64 private: 65 friend class EventListenerIterator; 66 67 void assertNoActiveIterators(); 68 69 Vector<std::pair<AtomicString, OwnPtr<EventListenerVector> >, 2> m_entries; 70 71 #ifndef NDEBUG 72 int m_activeIteratorCount; 73 #endif 74 }; 75 76 class EventListenerIterator { 77 WTF_MAKE_NONCOPYABLE(EventListenerIterator); 78 public: 79 EventListenerIterator(); 80 EventListenerIterator(EventTarget*); 81 #ifndef NDEBUG 82 ~EventListenerIterator(); 83 #endif 84 85 EventListener* nextListener(); 86 87 private: 88 EventListenerMap* m_map; 89 unsigned m_entryIndex; 90 unsigned m_index; 91 }; 92 93 #ifdef NDEBUG 94 inline void EventListenerMap::assertNoActiveIterators() { } 95 #endif 96 97 } // namespace WebCore 98 99 #endif // EventListenerMap_h 100
